Quick little solution to add port forwarding to WSL on windows
addPortForward.ps1
$port = $args[0]
netsh interface portproxy add v4tov4 listenport=$port listenaddress=0.0.0.0 connectport=$port connectaddress=(wsl bash ~/.getIP.sh)
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.getIP.sh
ip a | grep inet| grep eth0 | cut -f 6 -d " " | cut -f 1 -d "/"